A1190LLHLX-T Equivalent & Substitute Parts

Part Overview

The A1190LLHLX-T is an active unipolar magnetic switch manufactured by Allegro MicroSystems, utilizing Hall Effect technology for digital switching applications. This component operates across a 3V to 24V supply range with a maximum supply current of 5mA and features a current source output with programmable trip point capability. The device is housed in a SOT-23W surface mount package and maintains active product status with full automotive qualification under AEC-Q100 standards.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements necessitate alternative output configurations or package formats while maintaining core functional compatibility.

Substiute Parts

A1190LLHLX-T

Allegro MicroSystemsIn Stock: 1033A1190LLHLX-T Datasheet

Current PartRFQ

TLE49761KHTSA1

Ampleon USA Inc.In Stock: 276546TLE49761KHTSA1 Datasheet

MFR RecommendedRFQ

TLE49762KHTSA1

Infineon TechnologiesIn Stock: 1100TLE49762KHTSA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the A1190LLHLX-T is determined by the following critical parameters:

• Functional Equivalence: Unipolar switch operation with Hall Effect sensing technology
• Polarization Match: South pole detection capability
• Supply Voltage Compatibility: Operating range must encompass or align with 3V to 24V specification
• Output Configuration: Current source or open collector outputs are functionally compatible in switching applications
• Temperature Range: Operating temperature must support -40°C to 150°C minimum
• Automotive Compliance: AEC-Q100 qualification required for equivalent substitution
• Surface Mount Capability: Component must support surface mount assembly

The substitute parts TLE49761KHTSA1 and TLE49762KHTSA1 meet these criteria through equivalent Hall Effect unipolar switch functionality, automotive-grade qualification, and compatible operating temperature ranges. Output type variation (current source versus open collector) does not preclude substitution when circuit design accommodates the alternative output configuration.

Parameter Comparison

Engineering Selection Recommendations

TLE49762KHTSA1 (Infineon Technologies) provides the most direct substitution path for the A1190LLHLX-T. Both components maintain identical operating temperature ranges (-40°C to 150°C), automotive-grade classification, AEC-Q100 qualification, and ROHS3 compliance. The TLE49762KHTSA1 operates within a 3V to 18V supply range, which encompasses the lower portion of the A1190LLHLX-T specification but does not extend to the full 24V maximum. The open collector output configuration requires circuit-level evaluation to confirm compatibility with current source-dependent designs. Supply current specification of 17mA exceeds the A1190LLHLX-T at 5mA, necessitating power budget verification in current-constrained applications.

TLE49761KHTSA1 (Ampleon USA Inc.) maintains Hall Effect digital switch functionality with automotive-grade status and AEC-Q100 qualification. Detailed electrical parameters for this substitute are not provided in the specification data, limiting direct parameter comparison. This component is available in bulk packaging rather than tape and reel format, which may impact procurement and assembly workflows.

Both substitute parts maintain active product status and REACH compliance equivalent to the primary component.

Frequently Asked Questions (FAQ)

Q: Can TLE49762KHTSA1 replace A1190LLHLX-T in all applications?

A: TLE49762KHTSA1 is functionally equivalent for unipolar Hall Effect switching applications within the 3V to 18V supply range. Applications requiring operation above 18V require alternative selection. The open collector output differs from the current source output of the A1190LLHLX-T; circuit design must accommodate this configuration change.

Q: What is the primary difference between current source and open collector outputs?

A: Current source output provides a defined current level to the load, while open collector output requires external pull-up resistor configuration. Circuit topology must be evaluated to confirm compatibility with the alternative output type.

Q: Are package differences between SOT-23W and SC-59 significant for substitution?

A: SOT-23W and SC-59 (TO-236-3) are mechanically and electrically compatible surface mount packages with identical pin configurations. PCB layout and assembly processes require no modification for package interchange.

Q: Does the higher supply current of TLE49762KHTSA1 (17mA vs. 5mA) affect substitution feasibility?

A: Higher supply current consumption requires verification that power supply capacity and thermal management remain adequate. Applications with strict power budgets must evaluate this parameter against design constraints.

Q: What certifications must substitute parts maintain?

A: Substitute parts must maintain automotive-grade classification and AEC-Q100 qualification to ensure equivalent reliability and quality standards. Both recommended substitutes meet these requirements.

Q: Is TLE49761KHTSA1 suitable for high-volume production?

A: TLE49761KHTSA1 is available in bulk packaging format. High-volume production workflows typically require tape and reel packaging for automated assembly. Packaging format compatibility with existing assembly processes must be confirmed.